<template>
  <div class="home">
    <el-row :gutter="20">
      <el-col :span="8">
        <el-card class="box-card">
          <div class="user">
            <img src="../assets/images/user-icon.jpg" alt="">
            <div class="user-info">
              <p class="name">Admin</p>
              <p class="access">超级管理员</p>
            </div>
          </div>
          <div class="login-info">
            <p>上次登录时间：<span>2023.8.8</span></p>
            <p>上次登录地点：<span>北京</span></p>
          </div>
        </el-card>
        <el-card style="width: 100%;margin-top: 20px;">
          <el-table :data="tableData">
            <!-- <el-table-column prop="name" label="产品">
            </el-table-column>
            <el-table-column prop="todayBuy" label="今日购买">
            </el-table-column>
            <el-table-column prop="monthBuy" label="本月购买">
            </el-table-column>
            <el-table-column prop="totalBuy" label="总购买">
            </el-table-column> -->

            <!-- 优化 -->
            <el-table-column :prop="key" :label="val" v-for="(val, key) in tableLbael" :key="val">
            </el-table-column>
          </el-table>
        </el-card>
      </el-col>
      <el-col :span="16">
        <div class="num">
          <el-card v-for="item in countData" :key="item.name" :body-style="{ display: 'flex' }" class="card">
            <i class="icon" :class="`el-icon-${item.icon}`" :style="{ background: item.color }"></i>
            <div class="detail">
              <p class="price">￥{{ item.value }}</p>
              <p class="desc">{{ item.name }}</p>
            </div>
          </el-card>
        </div>
        <el-card style="height: 280px;">
          <!-- 折线图 -->
          <div ref="echarts1" style="height:280px;"></div>
        </el-card>
        <div class="grapg">
          <el-card class="card">
            <!-- 柱状图 -->
            <div ref="echarts2" style="height:260px;"></div>
          </el-card>
          <el-card class="card">
            <!-- 饼状图 -->
            <div ref="echarts3" style="height:240px;"></div>
          </el-card>
        </div>
      </el-col>
    </el-row>
  </div>
</template>

<script>
import { getData } from "@/api";
import * as echarts from "echarts";

export default {
  name: 'HomeView',
  components: {
  },
  data() {
    return {
      tableData: [],
      tableLbael: {
        name: "课程",
        todayBuy: "今日购买",
        monthBuy: "本月购买",
        totalBuy: "总购买",
      },
      countData: [
        {
          name: "今日支付订单",
          value: 1234,
          icon: "success",
          color: "#2ec7c9"
        },
        {
          name: "今日收藏订单",
          value: 210,
          icon: "star-on",
          color: "#ffb980"
        },
        {
          name: "今日未支付订单",
          value: 1234,
          icon: "s-goods",
          color: "#5ab1ef"
        },
        {
          name: "本月支付订单",
          value: 1234,
          icon: "success",
          color: "#2ec7c9"
        },
        {
          name: "本月收藏订单",
          value: 210,
          icon: "star-on",
          color: "#ffb980"
        },
        {
          name: "本月未支付订单",
          value: 1234,
          icon: "s-goods",
          color: "#5ab1ef"
        },

      ]
    }
  },
  mounted() {
    getData().then(res => {
      console.log(res.data.data);

      this.tableData = res.data.data.tableData

      // 折线图------------------------------
      // 基于准备好的dom，初始化echarts实例
      var echarts1 = echarts.init(this.$refs.echarts1);
      // 指定图表的配置项和数据
      var echarts1Option = {};
      // 处理数据xAxis
      const xAxis = Object.keys(res.data.data.orderData.data[0])
      echarts1Option.xAxis = {
        data: xAxis
      };

      echarts1Option.yAxis = {}

      echarts1Option.legend = {
        data: xAxis
      }

      echarts1Option.series = []
      xAxis.forEach(key => {
        echarts1Option.series.push({
          name: key,
          data: res.data.data.orderData.data.map(item => item[key]),
          type: "line"
        })
      })
      console.log(echarts1Option);

      // 使用刚指定的配置项和数据显示图表。
      echarts1.setOption(echarts1Option);



      // 柱状图----------------------------
      var echarts2 = echarts.init(this.$refs.echarts2);
      let echarts2Option = {
        legend: {
          // 图例文字颜色
          textStyle: {
            color: "#333",
          },
        },
        grid: {
          left: "20%",
        },
        // 提示框
        tooltip: {
          trigger: "axis",
        },
        xAxis: {
          type: "category", // 类目轴
          data: res.data.data.userData.map(item => item.date),
          axisLine: {
            lineStyle: {
              color: "#17b3a3",
            },
          },
          axisLabel: {
            interval: 0,
            color: "#333",
          },
        },
        yAxis: [
          {
            type: "value",
            axisLine: {
              lineStyle: {
                color: "#17b3a3",
              },
            },
          },
        ],
        color: ["#2ec7c9", "#b6a2de"],
        series: [
          {
            name: "新增用户",
            data: res.data.data.userData.map(item => item.new),
            type: 'bar'
          }, {
            name: "活跃用户",
            data: res.data.data.userData.map(item => item.active),
            type: 'bar'
          }
        ],
      }
      console.log(echarts2Option);
      echarts2.setOption(echarts2Option);


      // 饼状图------------------------------
      var echarts3 = echarts.init(this.$refs.echarts3);
      let echarts3Option = {
        tooltip: {
          trigger: "item",
        },
        color: [
          "#0f78f4",
          "#dd536b",
          "#9462e5",
          "#a6a6a6",
          "#e1bb22",
          "#39c362",
          "#3ed1cf",
        ],
        series: [
          {
            data: res.data.data.videoData,
            type: "pie"
          }
        ],
      }
      echarts3.setOption(echarts3Option);

    })

  }

}
</script>

<style lang="less" scoped>
.user {
  display: flex;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid #ccc;
  margin-bottom: 20px;

  img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-right: 40px;
  }

  .user-info {
    .name {
      font-size: 32px;
      margin-bottom: 10px;

      .access {
        color: #999;
      }

    }
  }
}

.login-info {
  p {
    line-height: 28px;
    font-size: 14px;
    color: #999;

    span {
      margin-left: 60px;
      color: #666;
    }
  }
}

.num {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;

  .card {
    width: 32%;
    margin-bottom: 20px;
  }

  .icon {
    width: 80px;
    height: 80px;
    font-size: 30px;
    text-align: center;
    line-height: 80px;
    color: #fff;
  }

  .detail {
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-left: 15px;

    .price {
      font-size: 30px;
      margin-bottom: 10px;
      line-height: 30px;
    }

    .desc {
      color: #999;
    }
  }
}

.grapg {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;

  .card {
    height: 260px;
    width: 48%;
  }
}
</style>
